MERTAYASMINI, M. Peningkatan Prestasi Belajar Matematika dengan Model Problem Based Learning. Indonesian Journal of Instruction, [S. l.], v. 4, n. 2, p. 51–56, 2023. DOI: 10.23887/iji.v4i2.60397. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJI/article/view/60397. Acesso em: 29 nov. 2024.